diff options
Diffstat (limited to 'src/mainboard/asrock/h110m/romstage.c')
-rw-r--r-- | src/mainboard/asrock/h110m/romstage.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/mainboard/asrock/h110m/romstage.c b/src/mainboard/asrock/h110m/romstage.c new file mode 100644 index 0000000000..4961a792ad --- /dev/null +++ b/src/mainboard/asrock/h110m/romstage.c @@ -0,0 +1,86 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Intel Corporation. + * Copyright (C) 2019 Maxim Polyakov <max.senia.poliak@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <soc/romstage.h> +#include <string.h> +#include <spd_bin.h> + +#define RCOMP_TARGET_PARAMS 0x5 + +static void mainboard_fill_dq_map_data(void *dq_map_ptr) +{ + /* DQ byte map */ + const u8 dq_map[2][12] = { + { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0, + 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 }, + { 0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC, + 0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00 } }; + memcpy(dq_map_ptr, dq_map, sizeof(dq_map)); +} + +static void mainboard_fill_dqs_map_data(void *dqs_map_ptr) +{ + /* DQS CPU<>DRAM map */ + const u8 dqs_map[2][8] = { + { 0, 1, 3, 2, 4, 5, 6, 7 }, + { 1, 0, 4, 5, 2, 3, 6, 7 } }; + memcpy(dqs_map_ptr, dqs_map, sizeof(dqs_map)); +} + +static void mainboard_fill_rcomp_res_data(void *rcomp_ptr) +{ + /* Rcomp resistor */ + const u16 RcompResistor[3] = { 200, 81, 162 }; + memcpy(rcomp_ptr, RcompResistor, + sizeof(RcompResistor)); +} + +static void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr) +{ + /* Rcomp target */ + static const u16 RcompTarget[RCOMP_TARGET_PARAMS] = { + 100, 40, 40, 23, 40 }; + memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget)); +} + +void mainboard_memory_init_params(FSPM_UPD *mupd) +{ + FSP_M_CONFIG *mem_cfg; + struct spd_block blk = { + .addr_map = { 0x50, 0x51, 0x52, 0x53, }, + }; + + mem_cfg = &mupd->FspmConfig; + mainboard_fill_dq_map_data(&mem_cfg->DqByteMapCh0); + mainboard_fill_dqs_map_data(&mem_cfg->DqsMapCpu2DramCh0); + mainboard_fill_rcomp_res_data(&mem_cfg->RcompResistor); + mainboard_fill_rcomp_strength_data(&mem_cfg->RcompTarget); + + mem_cfg->DqPinsInterleaved = 1; + get_spd_smbus(&blk); + mem_cfg->MemorySpdDataLen = blk.len; + mem_cfg->MemorySpdPtr00 = (uintptr_t)blk.spd_array[0]; + mem_cfg->MemorySpdPtr10 = (uintptr_t)blk.spd_array[2]; + mem_cfg->MemorySpdPtr01 = (uintptr_t)blk.spd_array[1]; + mem_cfg->MemorySpdPtr11 = (uintptr_t)blk.spd_array[3]; + dump_spd_info(&blk); + + /* use virtual channel 1 for the dmi interface of the PCH */ + mupd->FspmTestConfig.DmiVc1 = 1; + + /* desktop type */ + mem_cfg->UserBd = BOARD_TYPE_DESKTOP; +} |